<%@ page import="java.sql.Connection" %>
<%@ page import="java.sql.DriverManager" %>
<%@ page import="java.sql.PreparedStatement" %><%--
  Created by IntelliJ IDEA.
  User: cc
  Date: 2020/10/21
  Time: 8:44
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>

<jsp:useBean id="user" class="com.media.bean.UserBean"></jsp:useBean>
<jsp:setProperty name ="user" property="*"></jsp:setProperty>
<%
        //加载数据库驱动
        Class.forName("com.mysql.jdbc.Driver");

        //建立数据库连接
        String urL ="jdbc:mysql://localhost:3306/book";//数据库 连接地址

        String url;
        Connection connection = DriverManager.getConnection(urL,"root","root");
        //第一 一个root为数据库的用户

        String sqL ="update user set username =?,password =?,gender=?,age =? where id=?";
        String sqU;
        PreparedStatement ps = connection.prepareStatement(sqL);
        ps.setString(1,user.getUsername());
        ps.setString(2,user.getPassword());
        ps.setInt(3,user.getGender());
        ps.setInt(4,user.getAge());
        ps.setInt(5,user.getId());

        int count=ps.executeUpdate();
        if(count > 0){
            out.print("修改成功");
        }else{
            out.print("修改失败");
        }
        response.setHeader("refresh","3；urL=home.jsp");

%>